The Screen Actors Guild Awards are on Saturday, but stars geared up for the big night with the annual Entertainment Weekly preparty held at the Chateau Marmont in LA on Friday evening. The cast of Orange Is the New Black [1] steamed up the red carpet with their gorgeousness, while Game of Thrones's Maisie Williams and Sophie Turner made stunning appearances at the fete. Also on hand for the event were the stars of Downton Abbey, who scored multiple nominations [2] this year, including outstanding performance by a cast, along with Mr. Robot's Rami Malek, who recently revealed that his mom is obsessed with Jon Hamm [3]. Read on to see even more red carpet arrivals and highlights from the evening.